New exposure sites added as Qld check-in app becomes mandatory We’re sorry, this service is currently unavailable. Please try again later. Dismiss Normal text size Advertisement The Queensland’s COVID check-in app is now mandatory for all pubs, clubs, cafes and restaurants from Saturday as the state recorded no new COVID-19 cases. However, a cafe and toilets at Brisbane International Airport have been identified as potential exposure sites linked to a COVID-positive passenger. There were 28 active cases and 5692 COVID-19 tests had been completed in the past 24 hours. On Saturday, Queensland Health identified the cafe and toilet, that one of two transiting passengers from a Papua New Guinea red flight who tested positive with COVID-19 was allowed to mingle in the green zone after a human error was made, have been identified as potential exposure sites.